27. Class VI animal viruses include HIV, Based on the type of viral genome, how is this classdistinguished from the other classes of animal virus?A) It has double stranded RNA.B) It has single stranded RNA that serves as mRNA (positive sense).C) It has single stranded RNA that serves as a template for the synthesis of DNA.D) It has single stranded RNA that serves as a template for mRNA (anti-sense).does HIV

Group 6 animal viruses are single-stranded so option A is wrong.

Answered: 27. Class VI animal viruses include…

Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

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28. Class VI animal viruses include the retroviruses such as HIV, What type of enzyme does HIV introduce into the host cell (white blood cell) when its genome has gained entry? A) Reverse transcriptase B) Restriction enzyme C) DNA polymerase D) RNA polymerase A denovinus-vector
1)What are the difference between RNA and DNA? 2)Describe steps of viral replication, what are the differences in the replication between RNA and DNA viruses ?
C) complex D) polyhedral 23. The first step in viral infection is the recognition between the virus and the host cell. Which of the following statements best describes how that occurs? A) The viral genome matches the host cell genome. B) Surface proteins on the virus are recognized by receptor proteins found in the plasma membrane of the host cell. C) The viral genome is recognized by the capsid that surrounds the host cell genome. D) The envelope on the virus is recognized by the host cell genome.
Classification of viruses is based on all of the following excepta) type of nucleic acid. b) shape of virus.c) size of virus. d) host infected.e) strandedness of nucleic acid.
Host specificity of a virus is due to O 1) similarities in size between the virus and the host cell. O 2) the presence or absence of a cell wall on the host cell. O 3) particular genes that it shares with the infected cell. 4) compatibility between viral and cellular surface molecules. 5) the presence of an envelope.
Coronaviruses have a positive-sense single stranded RNA genome. a.) What is the genome replication strategy of this category of viruses? b.) How do you think this feature affects the stability of the viral genome? (hint use figure below) Mutation rates in different types of viruses. Estimates obtained for viruses belonging to the major indicated groups are shown as a function of genome size. This reveals an effect of genetic material (RNA/DNA) and genome size on viral mutation rates.
a. Which type of viruses can be directly used for translation? a) dsRNA b) Positive ssRNA c) Retroviruses d) Negative ssRNA b. An antiviral drug specifically modifies viral receptors on a eukaryotic host cell. How might this affect the viral reproductive cycle? It would enhance the process of viral apoptosis It would result in the degeneration of the viral capsid It would facilitate the process of viral endocytosis It would prevent the virus from attaching to the host cell
we can stop the biosynthesis stage of the viral life cycle (not the stages before it) by preventing/inhibiting: A) fusion of the envelope and the plasma membrane B) replication and expression of viral nucleic acid/genome C) the virus's attachment molecules from binding to the host cell receptor D) new copies of viral nucleic acid from combining with newly made viral proteins E)budding
Where do - ss RNA viruses assemble? O 1) golgi O 2) nucleus O3) cytoplasm O 4) both the nucleus and cytoplasm O 5) Endoplasmic reticulum Type:S
A viral particle adsorbs onto a host cell membrane. It uncoats and releases its single-stranded nonsegmented nucleic acid into the cytoplasm where it is immed dependent RNA polymerase, into mRNA. It is then translated into viral structural proteins and enzymes. Which of the following virus families is most likely repre A) Herpesviridae B) Paramyxoviridae C) Parvoviridae D) Reovirius E) Retroviridae
What is the function of reverse transcriptase in retroviruses? a) It converts viral RNA into double-stranded DNA Ob) It uses viral RNA as a template for making complementary RNA strands Oc) It translates viral RNA into proteins d) It uses viral DNA as a template for RNA synthesis
A particular animal virus requires the use of DNA polymerase from its host, since it does not possess its own DNA polymerase enzyme. Which of the following assumptions in A-D would likely be correct regarding this virus? A) O This virus could not be a retrovirus type. B) OIt could be a (-) ss RNA virus. C) O It could be a (+) ss RNA virus. D) O The vVirus life cycle very likely includes going to the host cell nucleus. E) O All ofA-D are correct assumptions.

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